Christopher Di Bella 5aaefa510e [libcxx][modules] protects users from relying on detail headers
libc++ has started splicing standard library headers into much more
fine-grained content for maintainability. It's very likely that outdated
and naive tooling (some of which is outside of LLVM's scope) will
suggest users include things such as <__ranges/access.h> instead of
<ranges>, and Hyrum's law suggests that users will eventually begin to
rely on this without the help of tooling. As such, this commit
intends to protect users from themselves, by making it a hard error for
anyone outside of the standard library to include libc++ detail headers.

Differential Revision: https://reviews.llvm.org/D106124
2022-02-26 09:00:25 +00:00

69 lines
2.9 KiB
C++

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___ALGORITHM_MISMATCH_H
#define _LIBCPP___ALGORITHM_MISMATCH_H
#include <__algorithm/comp.h>
#include <__config>
#include <__iterator/iterator_traits.h>
#include <__utility/pair.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
# pragma clang include_instead(<algorithm>)
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _InputIterator1, class _InputIterator2, class _BinaryPredicate>
_LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR_AFTER_CXX17 pair<_InputIterator1, _InputIterator2>
mismatch(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _BinaryPredicate __pred) {
for (; __first1 != __last1; ++__first1, (void)++__first2)
if (!__pred(*__first1, *__first2))
break;
return pair<_InputIterator1, _InputIterator2>(__first1, __first2);
}
template <class _InputIterator1, class _InputIterator2>
_LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR_AFTER_CXX17 pair<_InputIterator1, _InputIterator2>
mismatch(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2) {
typedef typename iterator_traits<_InputIterator1>::value_type __v1;
typedef typename iterator_traits<_InputIterator2>::value_type __v2;
return _VSTD::mismatch(__first1, __last1, __first2, __equal_to<__v1, __v2>());
}
#if _LIBCPP_STD_VER > 11
template <class _InputIterator1, class _InputIterator2, class _BinaryPredicate>
_LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR_AFTER_CXX17 pair<_InputIterator1, _InputIterator2>
mismatch(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2,
_BinaryPredicate __pred) {
for (; __first1 != __last1 && __first2 != __last2; ++__first1, (void)++__first2)
if (!__pred(*__first1, *__first2))
break;
return pair<_InputIterator1, _InputIterator2>(__first1, __first2);
}
template <class _InputIterator1, class _InputIterator2>
_LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR_AFTER_CXX17 pair<_InputIterator1, _InputIterator2>
mismatch(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2) {
typedef typename iterator_traits<_InputIterator1>::value_type __v1;
typedef typename iterator_traits<_InputIterator2>::value_type __v2;
return _VSTD::mismatch(__first1, __last1, __first2, __last2, __equal_to<__v1, __v2>());
}
#endif
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___ALGORITHM_MISMATCH_H